On Wed, Jun 28, 2017 at 11:42 PM, YuShengzuo <yu.shengzuo@xxxxxxxxxxx> wrote: > Hi Jason Dillaman, > > > > I am using rbd-mirror now (release Jewel). > > > > 1. > > And in many webs or other information introduced rbd-mirror notices that two > ceph cluster should be the ‘same fsid’. > > But It’s nothing bad or wrong when I deploy rbd-mirror between any two cephs > > and choose one to be my Openstack cinder backend and the other one to be > replication ceph. > > In some it’s OK in simple test cases, such as doing failover. > > So what it is the reason to recommend using the ‘same fsid’ There is no requirement to have the same "fsid" between clusters. Did you see that in any of our documentation? The only similar requirement is that the pools be named the same between the two clusters. > > 2. > > Last week, the Luminous released where I read in ceph.com. > > > > I notice it is supported something HA wrote in that blog. > > Is there any more information about it in detail? It is multi-rbd-mirror? > Yes, for Luminous, you can now run multiple rbd-mirror daemons concurrently for built-in HA. The daemons will automatically elect one alive process as the leader and will recover from the failure of the leader automatically. Previously, bad things would happen if you attempted to run multiple rbd-mirror daemon processes concurrently. > > Hope to get your return, thanks. > > > > > > -- > > > Yu Shengzuo > > e-mail: yu.shengzuo@xxxxxxxxxxx > > -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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